![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Core dictionary (coreCIF) version 2.4.5
_valence_param_atom_1
Name:'_valence_param_atom_1'
Definition:
The element symbol of the first atom forming the bond whose bond-valence parameters are given in this category.
Appears in list containing _valence_param_id
Type: char
Category: valence_param